diff --git a/requirements.txt b/requirements.txt
index 92934b8..98a2dbb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,5 @@ qddate>=0.1.1
 validators>=0.18.1
 xlrd>=1.2.0
 xmltodict
-rich
\ No newline at end of file
+rich
+numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file